If a not equal to b and x2+ax+b and x2+bx+a have a common factor, show

1.	If a not equal to b and x2+ax+b and x2+bx+a have a common factor, show that a+b+1=0
Answer» If a not equal to b and x²+ax+b and x²+bx+a have a common factor, show that a+b+1=0

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